203231230320 has 160 divisors (see below), whose sum is σ = 640358514432. Its totient is φ = 53311031296.

The previous prime is 203231230277. The next prime is 203231230333. The reversal of 203231230320 is 23032132302.

203231230320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4619467 + ... + 4663253.

Almost surely, 2^203231230320 is an apocalyptic number.

203231230320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203231230320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320179257216).

203231230320 is an abundant number, since it is smaller than the sum of its proper divisors (437127284112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203231230320 is a wasteful number, since it uses less digits than its factorization.

203231230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44119 (or 44113 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 203231230320 its reverse (23032132302), we get a palindrome (226263362622).

The spelling of 203231230320 in words is "two hundred three billion, two hundred thirty-one million, two hundred thirty thousand, three hundred twenty".